AIMS/BACKGROUND To study the vasoactivity of glaucoma patients with four previously described and distinct disc appearances potentially representative of primary open angle glaucoma subgroups. METHODS Patients with pure examples of four glaucomatous optic disc types--focal ischaemic, myopic glaucomatous, senile sclerotic, and those with generalised cup enlargement, were selected. A detailed o...

previous studies have shown that electrical stimulation (es) increases blood flow, but the exact mechanisms are not clear. the present study was designed to clarify some of the underlying mechanisms involved in this phenomenon. white adult rabbits lt.-6 months old were used. animals were anesthetized by sodium pentobarbital (40 mg/kg, iv) and skin blood flow in the thoracic back was recorded us...

The volume flowmeter is a simple, noninvasive Doppler ultrasound technique that provides accurate measurement of carotid artery diameter and flow. The device provides a useful laboratory test that can aid significantly in diagnosis of carotid stenosis and dementia.